AT25256B-SSHL-T Atmel, AT25256B-SSHL-T Datasheet

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... SOIC 8-lead TSSOP HOLD SCK GND SI GND 4 5 8-lead UDFN 8-ball VFBGA HOLD HOLD SCK WP SCK GND SI Bottom View Bottom View SPI Serial EEPROMS 128K (16,384 x 8) 256K (32,768 x 8) AT25128B AT25256B HOLD 2 7 SCK GND 5 4 8698B–SEEPR–3/10 ...

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Absolute Maximum Ratings* Operating Temperature ........................–55°C to +125°C Storage Temperature .........................–65° 150°C Voltage on Any Pin with Respect to Ground.............................. –1.0 V +7.0V Maximum Operating Voltage................................. 6.25V DC Output Current .............................................. 5.0 mA Figure 1-1. Block Diagram ...

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Table 1-1. Pin Capacitance Applicable over recommended operating range from T Symbol Test Conditions C Output Capacitance (SO) OUT C Input Capacitance (CS, SCK, SI, WP, HOLD) IN Notes: 1. This parameter is characterized and is not 100% tested. ...

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Table 1-3. AC Characteristics Applicable over recommended operating range from TTL Gate and 30 pF (unless otherwise noted) Symbol Parameter f SCK Clock Frequency SCK t Input Rise Time RI t Input Fall Time FI t ...

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... Endurance 3.3V, 25°C, Page Mode (1) Notes: 1. This parameter is characterized and is not 100% tested. Contact Atmel for further information. 2. Serial Interface Description MASTER: The device that generates the serial clock. SLAVE: Because the serial clock pin (SCK) is always an input, the AT25128B/256B always operates as a slave. ...

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Figure 2-1. SPI Serial Interface AT25128B/256B 6 AT25128B/256B 8698B–SEEPR–3/10 ...

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... Bits 0 – 7 are “1”s during an internal write cycle. 8698B–SEEPR–3/10 Operation Set Write Enable Latch Reset Write Enable Register Read Status Register Write Status Register Read Data from Memory Array Write Data to Memory Array Bit 5 Bit 4 Bit BP1 Definition Bit 0 = “ ...

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... Protected 1 Protected 0 Protected 1 Protected 2-6). Upon completion, any data on the SI line will be ignored. The data (D7 - D0) at the Table 2-4. Array Addresses Protected AT25256B None None 6000 – 7FFF 4000 – 7FFF 0000 – 7FFF Blocks Status Register Protected Protected Writable Writable ...

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... If the device is not write enabled (WREN), the device will ignore the Write instruction and will return to the standby state, when CS is brought high. A new CS falling edge is required to re-initiate the serial communication. Table 3-6. Address Key Address A N Don’t Care Bits 8698B–SEEPR–3/10 AT25128B AT25256B A − − AT25128B/256B − ...

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Timing Diagram (for SPI Mode 0 (0,0) Figure 4-1. Synchronous Data Timing CSS V IH SCK HI Figure 4-2. WREN Timing ...

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Figure 4-4. RDSR Timing SCK SI INSTRUCTION HIGH IMPEDANCE SO Figure 4-5. WRSR Timing SCK SI HIGH IMPEDANCE SO Figure 4-6. READ Timing SCK SI INSTRUCTION HIGH IMPEDANCE SO 8698B–SEEPR–3/10 ...

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Figure 4-7. WRITE Timing SCK SI INSTRUCTION HIGH IMPEDANCE SO Figure 4-8. HOLD Timing CS SCK HOLD SO AT25128B/256B ...

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... Ordering Code Detail Atmel Designator Product Family Device Density 128 = 128k 256 = 156k Device Revision 8698B–SEEPR–3/ AT25128B/256B Shipping Carrier Option B or blank = Bulk (tubes Tape and Reel Operating Voltage L = 1.8V to 5.5V Package Device Grade or Wafer/Die Thickness H = Green, NiPdAu lead finish, Industrial Temperature range (-40° ...

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... Part Markings AT25128B-SSHL Top Mark |---|---|---|---|---|---|---|---| |---|---|---|---|---|---|---|---| |---|---|---|---|---|---|---|---| * |---|---|---|---|---|---|---|---| | PIN 1 INDICATOR (DOT) AT25128B-XHL Top Mark PIN 1 INDICATOR (DOT |---|---|---|---|---|---| A T |---|---|---|---|---|---| 5 D |---|---|---|---|---|---|---| ATMEL |---|---|---|---|---|---|---| AT25128B-MAHL Top Mark |---|---|---| 5 |---|---|---| H |---|---|---| Y |---|---|---| * | PIN 1 INDICATOR (DOT) AT25128B/256B 14 Seal Year | Seal Week @ = Country of Ass’ SEAL YEAR 6: 2006 2007 8: 2008 2009 @ = Country of Ass’y ...

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... PIN 1 INDICATOR AT25256B-SSHL Top Mark |---|---|---|---|---|---|---|---| |---|---|---|---|---|---|---|---| |---|---|---|---|---|---|---|---| * |---|---|---|---|---|---|---|---| | PIN 1 INDICATOR (DOT) AT25256B-XHL Top Mark PIN 1 INDICATOR (DOT |---|---|---|---|---|---| A T |---|---|---|---|---|---| 5 E |---|---|---|---|---|---|---| ATMEL |---|---|---|---|---|---|---| 8698B–SEEPR–3/ Country of Origin Y = One Digit Year Code M = One Digit Month Code X XX= TRACE CODE (ATMEL LOT NUMBER TO COORESPOND WITH TRACE CODE LOG BOOK) (e ...

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... At25256B-MAHL Top Mark |---|---|---| 5 |---|---|---| H |---|---|---| Y |---|---|---| * | PIN 1 INDICATOR (DOT) AT25256B-CUL Top Mark |---|---|---|---| |---|---|---|---| |---|---|---|---|---| * <-- PIN 1 INDICATOR AT25128B/256B YEAR OF ASSEMBLY Country of Ass’y XX= ATMEL LOT NUMBER TO COORESPOND L @ WITH TRACE CODE LOG BOOK. (e. AA, AB, AC,... AX, AY, AZ SEAL YEAR 6: 2006 7: 2007 8: 2008 9: 2009 B = Country of Origin Y = One Digit Year Code ...

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... AT25128B-WWU11L Notes: 1. Bulk delivery in tubes (SOIC and TSSOP 100/tube). 2. Tape and reel delivery (SOIC 4k/reel. TSSOP, UDFN and VFBGA 5k/reel). 3. Contact Atmel Sales for Wafer sales. 8S1 8-lead, 0.150" Wide, Plastic Gull Wing Small Outline Package (JEDEC SOIC) 8A2 8-lead, 0.170" Wide, Thin Shrink Small Outline Package (TSSOP) 8MA2 8-lead, 2 ...

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... AT25256B Ordering Information Ordering Code (1) AT25256B-SSHL-B (NiPdAu Lead Finish) (2) AT25256B-SSHL-T (NiPdAu Lead Finish) (1) AT25256B-XHL-B (NiPdAu Lead Finish) (2) AT25256B-XHL-T (NiPdAu Lead Finish) (2) AT25256B-MAHL-T (NiPdAu Lead Finish) (2) AT25256B-CUL-T (SnAgCu Ball Finish) (3) AT25256B-WWU11L Notes: 1. Bulk delivery in tubes (SOIC and TSSOP 100/tube). 2. Tape and reel delivery (SOIC 4k/reel. TSSOP, UDFN and VFBGA 5k/reel). ...

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... Packaging Information 8S1 – JEDEC SOIC GND SDA SCL e Notes: 1. These drawings are for general information only. Refer to JEDEC Drawing MS-012, Variation AA for proper dimensions, tolerances, datums, etc. Package Drawing Contact: packagedrawings@atmel.com 8698B–SEEPR–3/ Top View Side View TITLE 8S1, 8-lead, (0.150” Wide Body), ...

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... Allowable Dambar protrusion shall be 0.08 mm total in excess of the b dimension at maximum material condition. Dambar cannot be located on the lower radius of the foot. Minimum space between protrusion and adjacent lead is 0.07 mm. 5. Dimension D and determined at Datum Plane H. Package Drawing Contact: packagedrawings@atmel.com AT25128B/256B End View D does ...

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... Dimensions b applies to metalized terminal and is measured between 0.15 mm and 0.30 mm from the terminal tip. If the terminal has the optional radius on the other end of the terminal, the dimension should not be measured in that radius area. Package Drawing Contact: packagedrawings@atmel.com 8698B–SEEPR–3/ Pin ...

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... VFBGA A1 Ball Pad Corner e (e1) Notes: 1. This drawing is for general information. 2. Dimension 'b' is measured at the maximum solder ball diameter. 3. Solder ball composition shall be 95.5Sn-4.0Ag-.5Cu. Package Drawing Contact: packagedrawings@atmel.com AT25128B/256B 22 0.10 (4X Top View A1 BALL PAD CORNER (d1) Bottom View 8 SOLDER BALLS TITLE 8U2-1, 8 ball, 2 ...

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Revision History Doc. Rev. Date 8698B 03/2010 8698A 12/2009 8698B–SEEPR–3/10 Comments Update Catalog Numbering Scheme. Update Ordering Information and package types. Initial document release. AT25128B/256B 23 ...

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... Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL’S TERMS AND CONDI- TIONS OF SALE LOCATED ON ATMEL’S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ...